Paris, 31 May 1937 - Internal institutional documents Figures submitted by the Special Acquisitions Service for Propaganda
Mougins, 27 April 1977 - Personal correspondence Jacqueline Picasso’s letter addressed to the people of Guernica
Paris, 2 November 1979 - Personal correspondence A copy of a letter Claude Picasso wrote to William Rubin, director of Painting and Sculpture at MoMA
Paris, 22 November 1980 - Personal correspondence Rafael Fernández Quintanilla’s secret dispatch to Javier Tusell, director-general of Fine Arts
20 January 1981 - Personal notes A photocopied note on Guernica, written by the director-general of Fine Arts, Javier Tusell, and dated incorrectly as 20 January 1981 when, according to its content, the date is more likely to be 20 August
New York, 8 September 1981 - Internal institutional documents A confidential and private document signed by Álvaro Martínez-Novillo and José María Cabrera in New York
Madrid, 24 September 1981 - Conservation documents A work plan to protect and display Guernica and its sketches in the Casón del Buen Retiro, written by the company Cubiertas and Mzov